package com.zmyuan.demo.netty.client;

import com.google.protobuf.ByteString;
import com.zmyuan.demo.netty.common.MsgServerHandler;
import com.zmyuan.demo.netty.protobuf.MsgProtobuf;
import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.protobuf.ProtobufDecoder;
import io.netty.handler.codec.protobuf.ProtobufEncoder;
import io.netty.handler.codec.protobuf.ProtobufVarint32FrameDecoder;
import io.netty.handler.codec.protobuf.ProtobufVarint32LengthFieldPrepender;

/**
 * Created by zdb on 2017/2/14.
 */
public class ClientTest {

    public static void main(String[] args) {

        int port = 8999;
        String host = "localhost";
        EventLoopGroup workerGroup = new NioEventLoopGroup();

        try {
            Bootstrap b = new Bootstrap(); // (1)
            b.group(workerGroup); // (2)
            b.channel(NioSocketChannel.class); // (3)
            b.option(ChannelOption.SO_KEEPALIVE, true); // (4)
            b.handler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast(new ProtobufVarint32FrameDecoder())
                            .addLast(new ProtobufDecoder(MsgProtobuf.Person.getDefaultInstance()))
                            .addLast(new ProtobufVarint32LengthFieldPrepender())
                            .addLast(new ProtobufEncoder()).addLast(new MsgClientHandler());
                }
            });

            // Start the client.
            ChannelFuture f = b.connect(host, port).sync(); // (5)

            MsgProtobuf.Person person = MsgProtobuf.Person.newBuilder().setId(1).setName("zhangsan").setEmail("111@qq.com").build();
            MsgProtobuf.RequestMsg requestMsg = MsgProtobuf.RequestMsg.newBuilder().setCmd("savePerson").setMsg(person.toByteString()).build();
            f.channel().writeAndFlush(requestMsg);

            // Wait until the connection is closed.
            f.channel().closeFuture().sync();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            workerGroup.shutdownGracefully();
        }


    }
}
